<template>
  <div class="permission">
    <el-card>
      <div style="text-align:right">
        <el-button type="primary" @click="add('0', 1)">添加菜单</el-button>
      </div>
      <!-- 
        table树形处理
          1:table数据需要是有children的树形结构 
          2:table加入row-key="唯一标识的字段名"
       -->
      <el-table :data="list" row-key="id">
        <el-table-column label="菜单名称" prop="name"></el-table-column>
        <el-table-column label="权限标识" prop="code"></el-table-column>
        <el-table-column label="描述" prop="description"></el-table-column>
        <el-table-column label="操作">
          <template v-slot="{ row }">
            <div>
              <el-button type="text" @click="add(row.id, 2)"
                >添加权限点</el-button
              >
              <el-button type="text" @click="add(row.id, 1)"
                >添加页面</el-button
              >
              <el-button type="text" @click="edit(row)">修改</el-button>
              <el-button type="text" @click="del(row)">删除</el-button>
            </div>
          </template>
        </el-table-column>
      </el-table>
    </el-card>
    <!-- 新增权限 -->
    <Dialog v-model="show" ref="dialog" @getData="getData"></Dialog>
  </div>
</template>
<script>
import { sysPermission, sysPermissionDel } from '@/api/permission.js'
import { changeTreeData } from '@/utils/index.js'
import Dialog from './components/dialog.vue'
export default {
  components: {
    Dialog
  },
  data () {
    return {
      show: false,
      list: []
    }
  },
  created () {
    this.getData()
  },
  methods: {
    async getData () {
      const res = await sysPermission()
      // this.list = this.changeData(res.data, '0')
      this.list = changeTreeData(res.data, '0')
      console.log(res)
    },
    // changeData (arr, str = '0') {
    //   return arr.filter(item => {
    //     if (item.pid === str) {
    //       item.children = this.changeData(arr, item.id)
    //       return true
    //     }
    //   })
    // }
    // 删除
    del (row) {
      this.$confirm(`你确定删除该页面:${row.name}--数据吗?`, '提示')
        .then(async () => {
          await sysPermissionDel(row.id)
          this.$message.success('删除成功')
          this.getData()
        })
        .catch(() => {})
    },
    // 新增
    add (pid, type) {
      this.show = true
      // this.$refs.dialog.mode = 'add'
      // 点击项的pid与type传入弹框组件
      this.$refs.dialog.form.type = type
      this.$refs.dialog.form.pid = pid
    },
    // 编辑
    edit (row) {
      this.show = true
      this.$refs.dialog.form = JSON.parse(JSON.stringify(row))
      this.$refs.dialog.mode = 'edit'
    }
  }
}
</script>
<style lang="scss" scoped>
.permission {
  padding: 15px;
}
</style>
